The Earth's Atmosphere Is Transparent to Most Waves in the

question 79

Multiple Choice

The Earth's atmosphere is transparent to most waves in the

• A) visible part of the spectrum.
• B) entire electromagnetic spectrum.
• C) infrared part of the spectrum.
• D) ultraviolet part of the spectrum.

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Definitions:

Secondary Winding

Part of a transformer that receives energy from the primary winding and transmits it to the load.

Shorted

A condition in which an electrical circuit bypasses its intended path due to a direct path of low resistance.

Rotating Magnetic Field

The revolving magnetic field inside a polyphase motor.

Synchronous Speed

The speed at which the magnetic field in an AC machine rotates, determined by the frequency of the supply current and the number of poles in the machine.